Class / Patent application number | Description | Number of patent applications / Date published |
210497010 | Cylindrical, conical, or trough shape | 46 |
20080251445 | Method For the Production of Tubular Membranes - The invention relates to a method for producing tubular membranes. In order to create a very inexpensive production method while obtaining very high output rates for tubular membranes, a tubular member ( | 10-16-2008 |
20090045132 | Filter Element - A filter element has at least one plastic part, a filter medium, and a potting compound that forms a connection between the at least one plastic part and the filter medium. A connecting part is connected fixedly to the at least one plastic part. The potting compound penetrates at least partially into the connecting part. | 02-19-2009 |
20090065430 | FABRICATION OF FILTER ELEMENTS USING POLYOLEFINS HAVING CERTAIN RHEOLOGICAL PROPERTIES - The present disclosure relates to filter elements and more particularly to filter elements prepared from improved polyolefin polymers, presently preferably polypropylene, characterized by a specific rheology. Most particularly, the present disclosure relates to polypropylene that has a specific molecular weight and molecular weight distribution, among other properties and/or characteristics, and/or polypropylene that has been adjusted in viscosity, molecular weight and molecular weight distribution, among other properties and/or characteristics, and its use in making depth filter elements. The present disclosure further relates to processes and/or systems for producing improved polyolefin polymers, e.g., polypropylenes and their use in fabricating advantageous filter elements. | 03-12-2009 |
20090211966 | Strainer filter - When preparing food that requires rinsing, typically the food is transferred to a strainer, which holds the food while allowing water to passed over the food. This is typically performed in a sink with the water draining into the sink; however, during the rinsing process, food can become lodged in the strainer and cleaning the strainer can be cumbersome. This invention is a filter which can be placed into a standard kitchen strainer and serve as a barrier between the food being rinsed and the physical strainer. This would prevent food from touching the strainer thus easing the cleanup process of the strainer. The strainer filter could be disposed after use, if desired. | 08-27-2009 |
20090242476 | FILTER CLOSURE SYSTEM - A filter closure system has a connecting head with a connecting web and further has a connecting end at an end face of a filter housing. The connecting head and the connecting end are matched to one another. The connecting end is pushed onto the connecting head in a mounting direction into a mounted state on the connecting head so as provide a seal-tight connection in the mounted state. The connecting end and the connecting web that extends in the mounting direction are provided with a micro toothing. When pushing the connecting end onto the connecting head in the mounting direction, the micro toothing connects by positive locking action the connecting end and connecting head with one another. The engagement of the micro toothing between connecting end and connecting head is realized along a flank of connecting web and connecting end which flank extends in the mounting direction. | 10-01-2009 |
20100044303 | FILTRATION CARTRIDGE CO-OPERATING WITH A CENTRAL TUBE AND COMPRISING A RADIALLY-RETAINED SEAL MOUNTED IN A CAVITY FOR CO-OPERATING WITH SAID TUBE - The object of the invention is a filter cartridge of a filter assembly for fluid circulating in an engine or a hydraulic machine, designed to cooperate with a central tube, said cartridge comprising a filtration medium and at least one end flange integrated with said medium, said flange projecting to form a cavity for a gasket, characterized in that said cavity incorporates radial retention means for said gasket. | 02-25-2010 |
20100084334 | METHOD FOR THE PRODUCTION OF A FILTER ELEMENT AND FILTER ELEMENT PRODUCED ACCORDING TO SAID METHOD - 1. A method for the production of a filter element. 2. A method for the production of a filter element ( | 04-08-2010 |
20100101994 | WASTEWATER FILTERING MEDIUM - A secondary wastewater treatment filtering bed medium, which includes a hollow tubular plastic body and a plurality of elongated ribs affixed to an outer surface of the body aligned with an axis of the body. | 04-29-2010 |
20110042300 | SCREEN CYLINDER - The present invention relates to a screen cylinder that is particularly suitable for screening, filtering, fractionating, or sorting cellulose pulp suspensions of the pulp and paper making industry, or other similar suspensions. The present invention relates more particularly to a screen cylinder formed from a plurality of screen wires leaving screening slots therebetween, and circular support elements. The support elements include openings/grooves for installation of the screen wires therein, so that at least one of the support rings is thermally deformed and clamps the screen wires in the openings/grooves of the rings. | 02-24-2011 |
20110174726 | FILTER MODULE AND PROCESS FOR MANUFACTURE OF SAME - A filter module comprises a body of wound layers of sheet material, said body having inner and outer peripheral surfaces and a winding axis and a passage extending along the winding axis and in fluid communication with the inner peripheral surface, the sheet material having openings forming two channel types extending from the inner to the outer peripheral surfaces, a first channel type open at the outer peripheral surface and closed adjacent to the inner peripheral surface, a second channel type open at the inner peripheral surface, in fluid communication with the passage and closed adjacent to the outer peripheral surface, the two channel types separated from each other by sheet material, one channel type communicating with a module port, the other channel type communicating with another module port, wherein a majority of openings forming the inlet channels incompletely register with corresponding openings of an adjacent layer. | 07-21-2011 |
20120080373 | ANISOTROPIC FILTRATION MEDIA AND METHOD OF MAKING - A method of making an anisotropic filtration media includes, foaming a media, straining the media in a selected direction, and relieving strain of the media in the selected direction | 04-05-2012 |
20130001156 | CARBON MEMBRANE STRUCTURE AND METHOD FOR PRODUCING SAME - A carbon membrane structure | 01-03-2013 |
20130008850 | FILTER ELEMENT FOR FINE PURIFICATION OF RAW MILK - The present invention relates to separation of liquids and gases, more particularly, to disposable cartridge-type filters for purification of milk products. The filter element for fine purification of raw milk is configured as a tubular cartridge made from a food-grade polymeric material. It is formed by discrete rows of aerodynamically extruded fibers whose pore size decreases radially from the periphery towards the center. Each row comprises frame fibers and filter fibers. The filter fibers are thicker than the frame fibers. The invention makes it possible to improve the quality of purification of milk products. | 01-10-2013 |
20130015121 | METHOD FOR PRODUCING A FILTER ELEMENTAANM Mees; HaraldAACI LebachAACO DEAAGP Mees; Harald Lebach DE - The invention relates to a method for producing a filter element for filtering fluids, such as hydraulic fluids, lubricants, or fuels, comprising the following steps: a) providing at least one section of a filter mat web ( | 01-17-2013 |
20130032529 | RARE EARTH-CONTAINING FILTER BLOCK AND METHOD FOR MAKING AND USING THE SAME - This disclosure relates to a rare earth-containing filter block, more particularly to a rare earth-containing filter block and methods for making and using the rare earth-containing filter block. | 02-07-2013 |
20130233790 | METHOD OF MANUFACTURING A SCREEN CYLINDER AND A SCREEN CYLINDER - The present invention relates to a method of manufacturing a screen cylinder, and a screen cylinder that is particularly suitable for screening, filtering, fractionating, or sorting cellulose pulp suspensions of the pulp and paper making industry, or other similar suspensions. The present invention discusses in particular the manufacture of end rings ( | 09-12-2013 |
20130319932 | Method of Manufacturing a Screen Cylinder and a Screen Cylinder - The present invention relates to a method of manufacturing a screen cylinder, and a screen cylinder that is particularly suitable for screening, filtering, fractionating, or sorting cellulose pulp or fiber suspensions of the pulp and paper making industry, or other similar suspensions. The present invention relates more particularly to screening or filtering devices of the type comprising a plurality of screen wires ( | 12-05-2013 |
20140021128 | MEMBRANE SUPPORTING STRUCTURE AND TUBULAR MEMBRANE - A membrane is made with a supporting structure having two or more layers. One layer is embedded in the membrane wall. Another layer generally abuts the membrane wall, preferably on the permeate side of the membrane wall. These two layers are preferably bonded together. The membrane may be, for example, a tubular membrane. Optionally, the membrane may be made of materials able to work at a temperature of 80 degrees C. or more. | 01-23-2014 |
20140034571 | FILTER MANUFACTURING MACHINE, FILTER MANUFACTURING METHOD USING THE MACHINE, AND HOLLOW FILTER - A filter manufacturing machine includes a forming device for forming filter tow into a hollow rod-shaped continuous filter body, a forming tube included in the forming device and having a tubular forming path through which the filter tow is passed while being brought together, a mandrel arranged in the forming tube and forming the tubular forming path in cooperation with the forming tube, and a heat treating section included in the forming tube and configured to heat the filter tow while the filter tow passes through the tubular forming path. The mandrel has a small-diameter portion located at the inlet of the forming tube, a large-diameter portion located at the outlet of the forming tube, and a diameter expansion portion located between the small- and large-diameter portions. The diameter expansion portion is located downstream of the heat treating section as viewed in the moving direction of the filter tow. | 02-06-2014 |
20140083928 | Hollow Cylindrical Filter Element for a Liquid Filter - A hollow cylindrical filter element for a liquid filter is flowed through in radial direction from an exterior of the filter element to an interior of the filter element by a fluid to be filtered. The fluid after filtration is drained from the interior of the filter element in an axial direction of the filter element. The filter element has a closure tube arranged in the interior of the filter element. The closure tube has a diameter that is smaller than a diameter of the interior of the filter element. The closure tube has a fluid-tight wall and the fluid after filtration is drained in the axial direction through the closure tube. | 03-27-2014 |
20140091029 | FILTER ASSEMBLY - A filter assembly comprises a filter housing ( | 04-03-2014 |
20140151288 | GRAPHENE MEMBRANE LAMINATED TO POROUS WOVEN OR NONWOVEN SUPPORT - Technologies are generally described for composite membranes which may include a porous graphene layer in contact with a porous support substrate. In various examples, a surface of the porous support substrate may include at least one of: a thermo-formed polymer characterized by a glass transition temperature, a woven fibrous membrane, and/or a nonwoven fibrous membrane. Examples of the composite membranes permit the use of highly porous woven or nonwoven fibrous support membranes instead of intermediate porous membrane supports. In several examples, the composite membranes may include porous graphene layers directly laminated onto the fibrous membranes via the thermo-formed polymers. The described composite membranes may be useful for separations, for example, of gases, liquids and solutions. | 06-05-2014 |
20140166570 | Fluid Filter Element - A filter element is removably positionable within a filter housing that includes a standpipe extending therewithin and provided with a flow control valve. The filter element comprises a tubular filter media, a first end cap, a second end cap longitudinally spaced from the first end cap, and a center tube extending between the first and second end caps. The center tube has a substantially cylindrical body extending between opposite first and second ends of the center tube. The center tube has at least one inlet opening formed on the cylindrical body and a standpipe opening at the second end thereof adjacent to the second end cap through which the standpipe may be inserted longitudinally into the center tube. The center tube further has at least one actuator key provided to open the flow control valve of the standpipe. | 06-19-2014 |
20140291237 | SCREEN | 10-02-2014 |
20150014241 | FILTER ELEMENT OF A FILTER, MULTILAYER FILTER MEDIUM OF A FILTER AND FILTER - A filter element of a filter for filtering fluid has a multilayer filter medium through which the fluid flows in a flow direction from an inflow side to an outflow side of the filter medium for filtration. The filter medium has several layers including at least one filtration layer and at least one support layer. The at least one support layer supports the filter medium against pressures having pressure gradients transverse or oblique to the flow direction of the fluid through the filter medium. | 01-15-2015 |
20150108062 | Filter Device - The present invention can withstand relatively high pressure and perform highly effective filtering operations by suppressing the degree of deformation of a filtering unit. After the filtering operations, separation of the filtering unit and external covers can be easily performed, and the rigid upper-side and lower-side covers can be reused so as to protect the environment. This invention comprises: a vertical tubular filter ( | 04-23-2015 |
20150129488 | FILTERING SOLID - A filtering solid includes a body, the body includes at least two surfaces defined thereon, and at least one accommodating room is formed thereon. The accommodating room penetrates through the two surfaces, and at least one wall surface is formed at an interior of the accommodating room. The body is a cube or a cylinder; the accommodating room is a circular through hole or a square through hole. The filtering solid attains the purposes of reaching a maximum storage of water and increasing an adhering area of nitrifying bacteria in a limited volume. | 05-14-2015 |
20150136689 | FILTRATION METHODS, APPARATUS, AND SYSTEMS USING A CERAMIC SEAL GASKET - The present disclosure relates, according to some embodiments, to systems, apparatus, and methods for fluid filtration (e.g., water) with a ceramic membrane having a seal. For example, the present disclosure relates, in some embodiments, to a cross-flow fluid filtration assembly comprising (a) an elongate ceramic membrane filter having a first filter end, a second filter end, at least one filter side, and at least one interior channel spanning the length of the filter, (b) a first filtration seal gasket fixed to the first filter end forming a fluid-tight seal therebetween, and (c) a second filtration seal gasket fixed to the second filter end forming a fluid-tight seal therebetween. The present disclosure also relates to a cross-flow fluid filtration module comprising a fluid path defined by a contaminated media inlet chamber, a fluid filtration assembly positioned in a permeate chamber, and a concentrate chamber. | 05-21-2015 |
20150343340 | Filter Device - A filter device is provided with an annular filter element. A central tube is inserted into the annular filter element so as to delimit an inwardly positioned cavity of the annular filter element. A functional part is inserted into the annular filter element and extends parallel to a longitudinal axis of the annular filter element, wherein the functional part is arranged in radial direction of the annular filter element outward of the central tube. The functional part has a radial inwardly positioned wall facing the central tube. The central tube has a facing wall that is facing the radial inwardly positioned wall of the functional part. The radial inwardly positioned wall of the functional part is positioned parallel to or concentric to the facing wall of the central tube. | 12-03-2015 |
20150360181 | Filtration Article Containing a Filtration Material Containing Fibrous Layers Having Different Lengths - A filtration material having a second fibrous layer (downstream drainage layer) with a length that is shorter than the length of the first fibrous material (upstream drainage layer) is provided. At least the first fibrous material is meltable. In forming the filtration material, the second fibrous layer may be cut to a predetermined length while the porous membrane and the first fibrous layer maintain their length. The length of the second fibrous layer may be substantially the same as the length of the outer cage. The filtration material is disposed within the outer cage such that the first fibrous layer and the porous membrane protrude from the cage member. When positioning an end cap onto the filtration material, heat is applied and the first fibrous layer melts and bonds to the end cap at a melt interface. The filtration material is free from thermoplastic strips and imbibed thermoplastic material(s). | 12-17-2015 |
20150375143 | HELICALLY WRAPPED FILTER - A filter cartridge is provided for filtering particulates in fluid and gas streams. The filter cartridge has a filter element for filtering the streams and a helical wrap to give stability to the pleats in response to radially outward flow. The wrap has an outer layer for attaching to the filter element and an inner layer for strength and resisting pressure drops across the filter element. | 12-31-2015 |
20160016121 | STRUCTURAL BODY - A structural body | 01-21-2016 |
20160151727 | Filter Element for a Liquid Filter | 06-02-2016 |
20160158674 | Seal, Endcap Assembly and Filter Assembly - An apparatus is disclosed. The apparatus includes a seal having an annular body including an upper surface and a lower surface. The annular body also includes an outer side surface and an inner side surface that join the upper surface to the lower surface. The inner side surface contributes to defining an endcap-engaging surface of the seal including: a first endcap surface engaging portion that is sized for engaging a portion of an upper surface of an endcap, a second endcap surface engaging portion that is sized for engaging an outer side surface of the endcap, and a third endcap surface engaging portion that is sized for engaging a lower surface of the endcap. The annular body includes an upper portion connected to a lower portion. The upper portion of the annular body of the seal is defined by a rounded seal portion. The lower portion of the annular body of the seal is defined by a flexible tang portion and a flexible leg portion. The flexible leg portion is connected to and extends away from the rounded seal portion. The flexible tang portion is connected to and extends away from the flexible leg portion. An endcap assembly is also disclosed. A filter assembly is also disclosed. | 06-09-2016 |
210497100 | Helically wound | 7 |
20080302719 | SPIRAL MEMBRANE ELEMENT AND METHOD OF PRODUCING THE SAME - A spiral membrane element that can reduce the dimension increase in the length direction is provided by forming a fiber reinforced resin layer having a reinforcing fiber layer and a strengthening fiber layer. Also, a method for producing a spiral membrane element is provided having a step of forming a fiber reinforced resin layer having a reinforcing fiber layer and a strengthening fiber layer. The spiral membrane element is provided with a cylindrical wound body in which a separation membrane, a feed-side channel material, and a permeate-side channel material in a laminated state are wound in a spiral form around a center tube having a hole, and a sealing part for preventing feed-side fluid and permeate-side fluid from being mixed with each other, wherein a fiber reinforced resin layer having a reinforcing fiber layer and a strengthening fiber layer enclosed and buried with the same resin is provided on an outer circumferential side of the cylindrical wound body. | 12-11-2008 |
20110168624 | SPIRAL WOUND CARBON MEMBRANE AND PREPARATION METHOD THEREOF - Disclosed is a spiral wound carbon membrane and preparation method thereof. The spiral wound carbon membrane is composed of one or more integral and windable membrane layers composed of a porous support and carbon materials containing fillers filled in the surface, pores and gaps thereof. The spiral wound carbon membrane has a developed ultramicropore porous structure with superior mechanical strength and toughness, and can be directly used to separate a gas mixture with different molecular sizes or liquid mixture. | 07-14-2011 |
20120085697 | CAST-ON-TRICOT ASYMMETRIC AND COMPOSITE SEPARATION MEMBRANES - The present invention the manufacture of a membrane for gas and liquid separations in which a polymer layer is applied directly to a tricot fabric instead of the conventional cloth or glass or metal substrate. | 04-12-2012 |
20120241372 | FILTER MODULE AND METHOD FOR ITS MANUFACTURE - A filter module is formed of wound filter material having openings wherein the boundary surfaces of the openings constitute flow-through surfaces. The openings of the wound layers of the filter material form channels angled relative to the winding axis, wherein one group thereof opens at the outer peripheral surface of the roll and the other group opens at the inner peripheral surface of the roll and wherein the channels on the other end, respectively, are closed and wherein the channels, angled relative to the winding axis, are separated from one another by filter material, and wherein the inner area of the roll has a central channel arranged around a winding axis. | 09-27-2012 |
20130087499 | SPIRAL SEPARATION MEMBRANE ELEMENT, PERFORATED HOLLOW TUBE, AND METHOD OF PRODUCING THE SAME - The spiral separation membrane element of the present invention includes: a perforated hollow tube ( | 04-11-2013 |
20140091030 | PERMEATE CARRIER FABRIC FOR MEMBRANE FILTERS - A permeate carrier fabric includes at least some monofilament synthetic yarns to provide adequate stiffness and reduce blockage of permeate flow. | 04-03-2014 |
20150144550 | SEPARATION MEMBRANE ELEMENT - A separation membrane element includes a water collecting pipe, a separation membrane main body having a feed-side face and a permeate-side face, a feed-side channel material and permeate-side channel materials. The separation membrane main body, the feed-side channel material and the permeate-side channel materials are spirally wound around the water collecting tube. A plurality of the permeate-side channel materials are discontinuously provided on the permeate-side face of the separation membrane main body, along a first direction that is a longitudinal direction of the water collecting pipe. The feed-side channel material has a thickness of from 0.15 to 0.5 mm. | 05-28-2015 |
210497200 | Filter blank | 1 |
20120193283 | POLYPROPYLENE FILTER - A polypropylene filter for filtering liquids manufactured exclusively of polypropylene (PP) with fresh raw material, weighting between 40 grams and 45 grams resulting in TNT (fabric-like material), wherein there is a quadrilateral mono-block body ( | 08-02-2012 |
210497300 | Conical | 4 |
20090139926 | CONE SHAPED FILTER INSERT MADE OF FILTER PAPER (3-ZONES) - A filter paper insert for a brewed beverage includes a filter paper shaped to form a cone-shaped filter having a side wall, a closed bottom and an upper filling opening. The side wall has three parallel, circumferential zones of increasing permeability in a direction from the closed bottom to the upper filling opening. | 06-04-2009 |
20090145841 | Perforated Member - The present invention provides a perforated component having the excellent hygienic property and washable structure suitable for a filter element and a jet nozzle used particularly in food processing by employing the single material such as metal, ceramic or the like. The perforated component attains the following advantages: steps for manufacturing the perforated component can be decreases; positions where foreign particles accumulate are diminished; additional reinforcements are not required; since no welding steps are included, strains, cracks and the like hardly caused by manufacturing steps. As a result the perforated component of high precision and high quality is obtained. The perforated component is formed in the following manner. Grooves | 06-11-2009 |
20130193064 | FILTER FOR LIQUIDS, IN PARTICULAR FOR ELECTRIC VALVES OF HOUSEHOLD APPLIANCES AND THE LIKE - The filter ( | 08-01-2013 |
20130206682 | FILTERS, SCREENS, SCREEN INSERTS, AND METHODS OF MAKING SAME - A method of making a filter or screen can include directed a high pressure cutting jet against a hard material at a plurality of positions to be cut that are separated by a portion of the material that is to remain uncut. Prior to moving from a first position to a second position, the abrasive can be replaced with a liquid or gaseous interference medium in such a way that reduces an energy density of the cutting jet from an energy density sufficient to remove or cut the material to an energy density insufficient to remove or cut the material. Once moved from the first position to the second position, the interference medium can be replaced with the abrasive in such a way that increases the energy density of the cutting jet from an energy density insufficient to remove the material to an energy density sufficient to remove the material. | 08-15-2013 |